1. Brain Check
1. What are the 2 types of host defenses that we have? a. Inherited & Adaptive c. Inherited & Accepted b. Innate & Adaptive d. Innate & Accepted 2. What 2 defensive cells act as phagocytes? a. Eosinophils & neutrophils b. B cells & neutrophils c. T cells & neutrophils d. Monocytes & neutrophils

2. Brain Check
1. What are the 4 cardinal signs of inflammation? 2. What effect does histamine have on blood vessels? 3. What is leukocytosis? 4. What infectious microorganism causes pus to form?

3. Brain Check
1. When a mother breastfeeds and passes antibodies to her child, this is an example of a. Artificially acquired active immunity b. Artificially acquired passive immunity c. Naturally acquired active immunity d. Naturally acquired passive immunity

4. Brain Check
1. What is the main antibody in the blood? a. IgM b. IgG c. IgE d. IgA 2. What do memory T cells do? 3. In regards to time, what is the difference between an active and a passive vaccine?